Home / 2,716.67-3,748.64-1,537.74

Finding the Fourth Proportional to 2,716.67, 3,748.64 and 1,537.74

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Solution

The fourth proportional to 2,716.67, 3,748.64 and 1,537.74 is: 2,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.67 : 3,748.64 = 1,537.74 : x
  2. Step 2: Convert to fraction form
    2,716.67/3,748.64 = 1,537.74/x
  3. Step 3: Cross multiply
    2,716.67x = 3,748.64 × 1,537.74
  4. Step 4: Simplify right side
    2,716.67x = 5,764,425.98
  5. Step 5: Solve for x
    x = 5,764,425.98/2,716.67
  6. Step 6: Final answer
    x = 2,121.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.